详解IDEA下Gradle多模块(项目)的构建

demo
├── build.gradle   -- 全局配置
├── settings.gradle  -- 全局配置
├── common      -- 子模块1目录
│  └── build.gradle -- 子模块1配置
├── rest       -- 子模块2配置
│  └── build.gradle -- 子模块2配置
...

rootProject.name = 'demo'
include 'common'
include 'rest'

buildscript {
  ext {
    springBootVersion = '2.1.2.RELEASE'
  }
  repositories {
    maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
  }
  dependencies {
    classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
  }
}
// 所有模块/项目的通用配置
allprojects {
  group 'com.diboot'
  version '1.0-SNAPSHOT'
  apply plugin: 'idea'
}
// 子模块/项目的统一配置
subprojects {
  apply plugin: 'java'
  // 指定JDK版本
  sourceCompatibility = 1.8
  targetCompatibility = 1.8
  // 指定编码格式
  [compileJava,compileTestJava,javadoc]*.options*.encoding = 'UTF-8'
  repositories {
    maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
  }
  ext {//依赖版本
    springBootVersion = "2.1.2.RELEASE"
    mysqlConnectorVersion = "8.0.13"
    mybatisStarterVersion = "1.3.2"
    fastjsonVersion = "1.2.54"
  }
  dependencies {
    compile("javax.servlet:javax.servlet-api:4.0.1")
    compile("org.springframework.boot:spring-boot-starter-web:$springBootVersion")
    // Mybatis
    compile("org.mybatis.spring.boot:mybatis-spring-boot-starter:$mybatisStarterVersion")
    // Log4j2
    compile("org.springframework.boot:spring-boot-starter-log4j2:$springBootVersion")
    // JDBC Driver
    compile("mysql:mysql-connector-java:$mysqlConnectorVersion")
    // JSON
    compile("com.alibaba:fastjson:$fastjsonVersion")
    // Apache Commons
    compile("org.apache.commons:commons-lang3:3.8.1")
    
    // 单元测试
    testCompile("org.springframework.boot:spring-boot-starter-test:$springBootVersion")
    testCompile("junit:junit:4.12")
  }
  configurations {
    //移除spring boot 默认logger依赖
    all*.exclude module: 'spring-boot-starter-logging'
  }
}

dependencies {
  // 配置该项目特有的依赖
}

dependencies {
  // 依赖common项目
  compile project(":common")
  // 配置该项目特有的依赖
}